158541 ⎘
Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters using fluid fuel of the sealed type
EXHAUST ADAPTER
#2LOW GAS PRESSURE DETECTION AND COMPENSATION OPERATION METHOD OF GAS WATER HEATER
#3WATER HEATER
#4Vent Attachment for Tankless Water Heater
#5CONDENSING HEAT EXCHANGER AND WATER HEATING/HEATING DEVICE
#6CONDENSING HEAT EXCHANGER AND WATER HEATER HAVING SAME
#7Tankless water heater connector
#8COMBUSTION CHAMBER AND GAS APPARATUS
#9Hot water supply device
#10Tankless water heater connector
#11Combustion systems with ease of serviceability
#12Hot water device
#13Heat-exchange pipe, heat-exchanger unit using same, and condensing boiler using same
#14GAS DISTRIBUTION ASSEMBLY AND WATER-HEATING DEVICE INCLUDING THE SAME
#15Field configuration of commercial water heaters
#16Water heater
#17Water heating apparatus
#18Fluid heater with perforated flame holder, and method of operation
#19AN INSULATED ARTICLE
#20Mobile water heating apparatus
#21Fluid heater with perforated flame holder
#22COMPACT SERVICEABLE DIESEL HEATER METHOD AND APPARATUS
#23Circulating-type hot-water supply device
#24Cogeneration facility
#25Boiler unit
#26Storeage gas water heater
#27Heat conducting assembly for a water heater, and method for making the heat conducting assembly